.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-subtitle {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    color: var(--color-gray-900);
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-description {
    font-size: 18px;
    color: var(--color-text-light);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

.product-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.4s var(--transition-smooth);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.product-card-image {
    position: relative;
    width: 100%;
    padding-top: 75%;
    overflow: hidden;
    background: var(--color-gray-50);
}

.product-card-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s var(--transition-smooth);
}

.product-card:hover .product-card-image img {
    transform: scale(1.08);
}

.product-card-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--color-accent);
    color: white;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-card-content {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-card-brand {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.product-card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 12px;
    line-height: 1.4;
}

.product-card-description {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 20px;
    flex: 1;
}

.product-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
}

.product-card-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.product-card-link:hover {
    gap: 10px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.blog-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.4s var(--transition-smooth);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.blog-card-image {
    position: relative;
    width: 100%;
    padding-top: 60%;
    overflow: hidden;
    background: var(--color-gray-50);
}

.blog-card-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s var(--transition-smooth);
}

.blog-card:hover .blog-card-image img {
    transform: scale(1.08);
}

.blog-card-content {
    padding: 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--color-text-light);
}

.blog-card-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.blog-card-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 12px;
    line-height: 1.4;
}

.blog-card-excerpt {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 20px;
    flex: 1;
}

.blog-card-link {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.blog-card-link:hover {
    gap: 10px;
}

.brand-card {
    background: white;
    border-radius: 12px;
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s var(--transition-base);
    cursor: pointer;
    aspect-ratio: 1 / 1;
}

.brand-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.brand-card img {
    max-width: calc(100% - 32px);
    max-height: none;
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.3s var(--transition-base);
    padding: 4px;
}

.brand-card:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

.filter-sidebar {
    background: white;
    border-radius: 16px;
    padding: 28px;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 100px;
}

.filter-group {
    margin-bottom: 32px;
}

.filter-group:last-child {
    margin-bottom: 0;
}

.filter-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-border);
}

.filter-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    cursor: pointer;
    transition: all 0.3s var(--transition-base);
}

.filter-option:hover {
    padding-left: 8px;
}

.filter-option input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.filter-option label {
    font-size: 14px;
    color: var(--color-text);
    cursor: pointer;
    flex: 1;
}

.filter-option-count {
    font-size: 13px;
    color: var(--color-text-light);
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 60px;
}

.pagination-item {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-weight: 600;
    color: var(--color-text);
    background: white;
    border: 2px solid var(--color-border);
    transition: all 0.3s var(--transition-base);
}

.pagination-item:hover,
.pagination-item.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.pagination-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.tabs {
    border-bottom: 2px solid var(--color-border);
    margin-bottom: 32px;
}

.tabs-nav {
    display: flex;
    gap: 32px;
}

.tab-button {
    padding: 16px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-light);
    position: relative;
    transition: all 0.3s var(--transition-base);
}

.tab-button::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.3s var(--transition-base);
}

.tab-button:hover,
.tab-button.active {
    color: var(--color-primary);
}

.tab-button.active::after {
    width: 100%;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.4s var(--transition-base);
}

.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s var(--transition-base);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s var(--transition-base);
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: 8px;
}

.form-label.required::after {
    content: '*';
    color: var(--color-accent);
    margin-left: 4px;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--color-border);
    border-radius: 8px;
    font-size: 15px;
    color: var(--color-text);
    transition: all 0.3s var(--transition-base);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-file {
    display: block;
    width: 100%;
    padding: 32px;
    border: 2px dashed var(--color-border);
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s var(--transition-base);
}

.form-file:hover {
    border-color: var(--color-primary);
    background: var(--color-gray-50);
}

.form-error {
    color: var(--color-accent);
    font-size: 13px;
    margin-top: 6px;
}

.alert {
    padding: 16px 20px;
    border-radius: 8px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
}

.alert-info {
    background: #dbeafe;
    color: #1e40af;
}

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 32px;
    }

    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .tabs-nav {
        gap: 20px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .tab-button {
        white-space: nowrap;
    }

    .product-card-content {
        padding: 12px;
    }

    .product-card-title {
        font-size: 13px;
    }

    .product-card-description {
        display: none;
    }

    .blog-card-content {
        padding: 14px;
    }

    .blog-card-title {
        font-size: 14px;
        margin-bottom: 8px;
    }

    .blog-card-excerpt {
        display: none;
    }

    .blog-card-meta {
        font-size: 11px;
        gap: 8px;
        flex-wrap: wrap;
    }
}

/* ── Teknik Özellikler Tablosu ── */
.teknik-tablo-baslik {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--color-text);
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--color-border);
}

.teknik-tablo {
    width: 100%;
    border-collapse: collapse;
}

.teknik-tablo tr {
    border-bottom: 1px solid #f0f0f0;
}

.teknik-tablo tr:last-child {
    border-bottom: none;
}

.teknik-tablo td {
    padding: 14px 8px;
    vertical-align: middle;
    font-size: 15px;
    color: var(--color-text);
}

.teknik-tablo-adi {
    width: 40%;
    color: var(--color-text-light) !important;
    font-weight: 400;
}

.teknik-tablo-sep {
    width: 30px;
    color: var(--color-text-light) !important;
    text-align: center;
    font-weight: 300;
}

.teknik-tablo-deger {
    font-weight: 400;
}

@media (max-width: 768px) {
    .teknik-tablo-adi {
        width: 45%;
        font-size: 13px;
    }

    .teknik-tablo td {
        padding: 10px 6px;
        font-size: 13px;
    }
}